Waterproof Membrane Switch
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Features
- Water resistance ranging from drops of water to full submersion
- A PC keyboard with the waterproof membrane switch can still work normally even after accidental exposure to water.
- A portable information device with the waterproof membrane switch is free from trouble due to exposure to water even if used outdoors.
Use
- Switches such as keyboards for laptop PCs that require waterproof property
Specifications
Structure
Dimensions
Thickness of component materials
| Material | Thickness |
|---|---|
| Upper electrode sheet | 75μm |
| Lower electrode sheet | 75μm |
| Spacer sheet | 50 to 75μm |
| Waterproof seal | 15 to 30μm |
| Contact pads and circuits | 10μm |
| Total thickness | ≧235μm |
Materials
| Upper and lower electrode sheet | PET film |
|---|---|
| Lower electrode sheet | PET film |
| Spacer sheet | PET film |
| Waterproof seal | Polyester resin or acrylic resin |
| Contact points and circuits | C or Ag |
Specifications
| Operating temperature | -5 to 65°C |
|---|---|
| Operating humidity | 20 to 80%RH |
| Storage temperature | -20 to 80°C |
| Operating load (standard product) |
0.1 to 0.05N |
| Insulation resistance (between wires) |
≥100MΩ |
| Withstand voltage | 250VAC, 1minute |